Home / 27,100.89-40,609.18-18,797.13

Finding the Fourth Proportional to 27,100.89, 40,609.18 and 18,797.13

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Solution

The fourth proportional to 27,100.89, 40,609.18 and 18,797.13 is: 28,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.89 : 40,609.18 = 18,797.13 : x
  2. Step 2: Convert to fraction form
    27,100.89/40,609.18 = 18,797.13/x
  3. Step 3: Cross multiply
    27,100.89x = 40,609.18 × 18,797.13
  4. Step 4: Simplify right side
    27,100.89x = 763,336,035.65
  5. Step 5: Solve for x
    x = 763,336,035.65/27,100.89
  6. Step 6: Final answer
    x = 28,166.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.